https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68127
Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |Joost.VandeVondele at mat dot ethz | |.ch --- Comment #2 from Joost VandeVondele <Joost.VandeVondele at mat dot ethz.ch> --- Interestingly, this issue is intermittent, i.e. didn't fail for two nightly builds. Does the code generated vary if e.g. -flto=jobserver is given and various number of tasks might be avaiable for the build ? Meanwhile, the error message has slightly improved, not a segfault but: cp_ddapc_util.F:201:0: error: incompatible types in PHI argument 0 RECURSIVE SUBROUTINE get_ddapc(qs_env, calc_force, density_fit_section,& ^ long int long unsigned int __var_6_do_683 = PHI <0(447), _637(449)> /data/vjoost/gnu/cp2k/cp2k/makefiles/../src/cp_ddapc_util.F:201:0: error: invalid PHI argument __gcov0.__cp_ddapc_util_MOD_get_ddapc_I.7397_6405 /data/vjoost/gnu/cp2k/cp2k/makefiles/../src/cp_ddapc_util.F:201:0: error: incompatible types in PHI argument 0 void bool .MEM_663 = PHI <__gcov0.__cp_ddapc_util_MOD_get_ddapc_I.7397_6405(447), .MEM_554(449)> /data/vjoost/gnu/cp2k/cp2k/makefiles/../src/cp_ddapc_util.F:201:0: internal compiler error: verify_gimple failed 0xa4e139 verify_gimple_in_cfg(function*, bool) ../../gcc/gcc/tree-cfg.c:5082 0x93c1cc execute_function_todo ../../gcc/gcc/passes.c:1940 0x93cc43 execute_todo ../../gcc/gcc/passes.c:1995 Please submit a full bug report,